fix: requirements-dev.txt to reduce vulnerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-URLLIB3-14896210

Author: snyk-bot

requirements-dev.txt

@@ -45,3 +45,4 @@ jupyterlab>=4.4.8 # not directly required, pinned by Snyk to avoid a vulnerabili
 zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability
 fonttools>=4.61.0 # not directly required, pinned by Snyk to avoid a vulnerability
 tornado>=6.5.3 # not directly required, pinned by Snyk to avoid a vulnerability
+urllib3>=2.6.3 # not directly required, pinned by Snyk to avoid a vulnerability